Cumulative Sum Processor Plugin
This plugin accumulates field values per-metric over time and emit metrics with cumulative sums whenever a metric is updated. This is useful when using outputs relying on monotonically increasing values
Metrics within a series are accumulated in the order of arrival and not in order of their timestamps!
Introduced in: Telegraf v1.35.0 Tags: transformation OS support: all
Global configuration options
In addition to the plugin-specific configuration settings, plugins support additional global and plugin configuration settings. These settings are used to modify metrics, tags, and field or create aliases and configure ordering, etc. See the CONFIGURATION.md for more details.
Configuration
# Compute the cumulative sum of the given fields
[[processors.cumulative_sum]]
## Numerical fields to be processed (accepting wildcards)
# fields = ["*"]
## Interval after which metrics are evicted from the cache and the
## sum values are reset to zero. A zero or unset value will keep the
## metric forever.
## It is strongly recommended to set an expiry interval to avoid
## growing memory usage when varying metric series are processed.
# expiry_interval = "0s"Example
- net,host=server01 bytes_sent=1000,bytes_received=500
- net,host=server01 bytes_sent=2500,bytes_received=1500
- net,host=server01 bytes_sent=3000,bytes_received=2500
+ net,host=server01 bytes_sent=1000,bytes_sent_sum=1000,bytes_received=500,bytes_received_sum=500
+ net,host=server01 bytes_sent=2500,bytes_sent_sum=3500,bytes_received=1500,bytes_received_sum=2000
+ net,host=server01 bytes_sent=3000,bytes_sent_sum=6500,bytes_received=2500,bytes_received_sum=4500
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